262977650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 72

約数和(自身を含む): 545597892

約数和(自身を除く): 282620242

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 421, 650, 775, 806, 842, 961, 1550, 1922, 2015, 2105, 4030, 4210, 4805, 5473, 9610, 10075, 10525, 10946, 12493, 13051, 20150, 21050, 24025, 24986, 26102, 27365, 48050, 54730, 62465, 65255, 124930, 130510, 136825, 169663, 273650, 312325, 326275, 339326, 404581, 624650, 652550, 809162, 848315, 1696630, 2022905, 4045810, 4241575, 5259553, 8483150, 10114525, 10519106, 20229050, 26297765, 52595530, 131488825, 262977650]

約数ペア:

[(1, 262977650), (2, 131488825), (5, 52595530), (10, 26297765), (13, 20229050), (25, 10519106), (26, 10114525), (31, 8483150), (50, 5259553), (62, 4241575), (65, 4045810), (130, 2022905), (155, 1696630), (310, 848315), (325, 809162), (403, 652550), (421, 624650), (650, 404581), (775, 339326), (806, 326275), (842, 312325), (961, 273650), (1550, 169663), (1922, 136825), (2015, 130510), (2105, 124930), (4030, 65255), (4210, 62465), (4805, 54730), (5473, 48050), (9610, 27365), (10075, 26102), (10525, 24986), (10946, 24025), (12493, 21050), (13051, 20150)]